When converting from binary to hexadecimal, I know to group the 1\'sand 0\'s int

Question

When converting from binary to hexadecimal, I know to group the 1'sand 0's into groups of 4. For example, with the binary number(1011001.110111) I would group the numbers before the decimal pointas (101|1001.110111).
My question is, when grouping sets of binary 1's and 0's onthe right side of the decimal, do I start from the right and groupthem in groups of 4 as in (101|1001.11|0111) going to the lefttowards the decimal point or do I start at the decimal and groupthem in groups of 4 going right (101|1001.1101|11)? I think I saidthat correctly. I just want to make sure that I have my groupingcorrectly on the right side of the decimal and my textbook mentionsnothing about what to do on the right side of the decimal. Thankyou to anyone who answers.
My question is, when grouping sets of binary 1's and 0's onthe right side of the decimal, do I start from the right and groupthem in groups of 4 as in (101|1001.11|0111) going to the lefttowards the decimal point or do I start at the decimal and groupthem in groups of 4 going right (101|1001.1101|11)? I think I saidthat correctly. I just want to make sure that I have my groupingcorrectly on the right side of the decimal and my textbook mentionsnothing about what to do on the right side of the decimal. Thankyou to anyone who answers.

Explanation / Answer

start at the decimal and group them in groups of 4 going right(101|1001.1101|11)? Your second method is correct. 101|1001.1101|11

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